Standard
[CURRENT]
ISO 7685:2019-07
Glass-reinforced thermosetting plastics (GRP) pipes - Determination of initial ring stiffness
German title
Kunststoff-Rohrleitungssysteme - Glasfaserverstärkte Duroplast-(GFK-)Rohre - Bestimmung der Kurzzeitringsteifigkeit
Publication date
2019-07
Original language
English
Pages
8
Publication date
2019-07
Original language
English
Pages
8
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Content
Content (en)
Foreword
Scope
Normative references
Terms and definitions
Principle
Apparatus
Show subsection Close subsection Compressive-loading machine
Load application surfaces
Show subsection Close subsection General arrangement
Plates
Beam bars
Dimension-measuring instruments
Test pieces
Show subsection Close subsection Preparation
Number
Determination of dimensions
Show subsection Close subsection General
Length
Wall thickness
Mean diameter
Conditioning
Procedure
Show subsection Close subsection Test temperature
Positioning of the test piece
Application of load and measurement of deflection
Show subsection Close subsection General
Method A: Using constant load
Method B: Using constant deflection
Calculation
Test report
Cooperation at DIN
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